CN211550193U - Expansion type corner connector - Google Patents
Expansion type corner connector Download PDFInfo
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- CN211550193U CN211550193U CN201921672374.2U CN201921672374U CN211550193U CN 211550193 U CN211550193 U CN 211550193U CN 201921672374 U CN201921672374 U CN 201921672374U CN 211550193 U CN211550193 U CN 211550193U
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Abstract
The utility model discloses an expansion type corner connector, which comprises a corner connector body, wherein the corner connector body comprises a first connecting part and a second connecting part which are used for connecting sectional materials, the first connecting part comprises a first fixed block, a first supporting block and a first expansion block, one end of the first supporting block is fixed with the first fixed block, and the other end of the first supporting block is suspended; one end of the first expansion block is fixed with the first fixed block, and the other end of the first expansion block is suspended in the air; a first threaded hole is formed in the first supporting block, and the axis of the first threaded hole points to the first expansion block. The utility model provides an inflation formula angle sign indicating number, simple structure through the inflation connection section bar, avoids the bolt to the destruction of section bar thin wall, and connects more reliably stably.
Description
Technical Field
The utility model belongs to the technical field of the house and specifically relates to an inflation formula angle sign indicating number is related to.
Background
Along with the improvement of the living standard of residents, aluminum alloy furniture products are more and more popular. Products such as the counter basin cabinet, the mirror cabinet and the like made of aluminum alloy materials have the advantages of lighter materials, high strength, difficult corrosion, easy installation and the like, and are gradually welcomed. The corner connector is a common part of an aluminum alloy furniture article and is used for connecting two aluminum alloy sections at the corner and splicing the aluminum alloy sections into a required shape. However, most of the existing corner connectors are directly connected with the section bars through bolts, and the section bars are of thin-wall structures, so that the thin walls are easily damaged by screwing the bolts after punching, the connection of the section bars is unstable, and the appearance is influenced. Therefore, an expansion type corner brace needs to be designed, and the problem that the connection of the thin-wall section is easy to damage can be solved.
The Chinese patent application publication No. CN105822195B, having a publication date of 14.07.2017, entitled "an expandable door and window corner brace", discloses an expandable door and window corner brace comprising a first expansion column, a second expansion column, an outer corner brace base body, an inner corner brace base body, a first circular arc-shaped groove, a second circular arc-shaped groove, a first expansion pin, a second expansion pin, a first round hole and a second round hole; the method is characterized in that: the cavity of the outer corner brace base body is tightly attached to the boss of the inner corner brace base body, at the moment, the first expansion column and the second expansion column of the outer corner brace base body are overlapped with the first arc groove and the second arc surface of the inner corner brace base body, the first expansion pin and the second expansion pin are installed in the first expansion column and the second expansion column through the first round hole and the second round hole in the outer corner brace base body, and the first expansion pin and the second expansion pin are overlapped with the outer surface of the outer corner brace base body. When door and window frame group angle, door and window angle sign indicating number can expand automatically, is full of door and window section bar cavity, can eliminate the clearance between door and window angle sign indicating number and the door and window section bar cavity, guarantees the intensity and the roughness at door and window frame bight, can also be fit for the little section bar of door and window section bar cavity dimensional change, kills many birds with one stone. However, the corner brace structure is relatively complex and is not suitable for quick installation at home.
Disclosure of Invention
The utility model discloses an overcome among the prior art angle sign indicating number and pass through the bolt and be connected with the section bar, destroy the not enough of thin-walled profile material easily, provide an inflation formula angle sign indicating number, simple structure through the inflation connection section bar, avoids the bolt to the destruction of section bar thin wall, and connects more reliably stably.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an expansion type corner connector comprises a corner connector body, wherein the corner connector body comprises a first connecting part and a second connecting part which are used for connecting sectional materials, the first connecting part comprises a first fixed block, a first supporting block and a first expansion block, one end of the first supporting block is fixed with the first fixed block, and the other end of the first supporting block is suspended; one end of the first expansion block is fixed with the first fixed block, and the other end of the first expansion block is suspended in the air; a first threaded hole is formed in the first supporting block, and the axis of the first threaded hole points to the first expansion block.
Through implementing above-mentioned technical scheme, when being used for connecting the section bar with the angle sign indicating number, insert the spread groove of section bar with first connecting portion and second connecting portion earlier, twist into first screw hole with the bolt, continue ejecting after the bottom of bolt and the contact of first inflation piece, make first supporting block and first inflation piece keep away from each other, first connecting portion size grow, and then prop up the inner wall of tight section bar, realize connecting. The second connecting part can be connected with another section bar by adopting the same structure as the first connecting part, and other structures can be arranged to be connected with another section bar. Among the above-mentioned technical scheme, the angle sign indicating number is connected the section bar through the inflation, does not directly adopt bolted connection angle sign indicating number and section bar, has avoided the bolt to the destruction of section bar thin wall, adopts the mode of inflation connection more reliable stable.
Preferably, a gap is arranged between the first supporting block and the first expansion block. The gap can ensure that the first supporting block and the first expansion block are not connected into a whole during manufacturing, and the first supporting block and the first expansion block can be expanded under the extrusion of the bolt.
Preferably, a sinking groove is formed in one end, far away from the first supporting block, of the first expansion block. The heavy groove can reduce the size of the first expansion block at the position, and is convenient for the first connecting part to be inserted into the connecting groove of the groove, and the edge of the heavy groove close to the first fixing block can be in contact with the edge of the section bar to play a role in positioning.
Preferably, the bottom surface of the sinking groove is obliquely arranged, and one end, far away from the first fixing block, of the bottom surface of the sinking groove is closer to the first supporting block. The structure can ensure that the bottom surface of the sinking groove is parallel to the inner surface of the section bar when the first expansion block is far away from the first supporting block to support the section bar, so that the contact area is increased as much as possible, and the connection stability is increased. The first supporting block is also obliquely arranged on the surface in contact with the section bar, one end, far away from the first fixing block, of the contact surface is closer to the first expansion block, and the beneficial effect is the same as that of the oblique arrangement of the bottom surface of the sinking groove.
Preferably, the bottom surface of the sinking groove is provided with a friction wale. The friction ribs may increase friction, increasing the reliability of the connection.
Preferably, the friction ribs are of strip-shaped structures, and the length direction of the friction ribs is perpendicular to the length direction of the first expansion block. The strip-shaped friction wale can slightly deform the contact surface, and the length direction of the deformation recess is vertical to the separation direction, so that the connection reliability can be improved.
Preferably, the second connecting portion has the same structure as the first connecting portion. The structure can ensure that the second connecting part and the section bar can be connected quickly and stably.
Preferably, the first fixing block and the second fixing block are tightly connected into a whole. The structure can make the integral strength of the corner brace greater.
Preferably, the corner brace body further comprises a third connecting portion, the length direction of the third connecting portion is perpendicular to the length direction of the first connecting portion, and the length direction of the third connecting portion is perpendicular to the length direction of the second connecting portion. The structure connects three section bars of apex department simultaneously, reduces the use of angle sign indicating number, guarantees joint strength simultaneously.
Preferably, the third connecting portion structure is the same as the first connecting portion structure. The third connecting part can be connected with the section bar quickly and stably.
Preferably, the corner brace body is of an integrally formed structure. The structure can make the integral strength of the corner brace greater.
The utility model has the advantages that: (1) the thin wall of the section is prevented from being damaged by the bolt through expansion connection of the section; (2) the connection is more reliable and stable; (3) three profiles can be connected simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a schematic structural view of embodiment 3.
In the figure: first connecting portion 1, first fixed block 1.1, first supporting block 1.2, first inflation piece 1.3, first screw hole 1.4, second connecting portion 2, second fixed block 2.1, second supporting block 2.2, second inflation piece 2.3, second screw hole 2.4, third connecting portion 3, heavy groove 4, friction burr 5.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 and 2, an expansion type corner brace comprises a corner brace body, wherein the corner brace body is of an integrally formed structure, the corner brace body comprises a first connecting part 1 and a second connecting part 2 which are used for connecting sectional materials, the first connecting part 1 comprises a first fixed block 1.1, a first supporting block 1.2 and a first expansion block 1.3, one end of the first supporting block 1.2 is fixed with the first fixed block 1.1, and the other end of the first supporting block 1.2 is suspended; a first threaded hole 1.4 is formed in the first supporting block 1.2, and the axis of the first threaded hole 1.4 points to the first expansion block 1.3; one end of the first expansion block 1.3 is fixed with the first fixed block 1.1, and the other end of the first expansion block 1.3 is suspended; a sinking groove 4 is formed in one end, far away from the first supporting block 1.2, of the first expansion block 1.3, a friction convex pattern 5 is arranged on the bottom surface of the sinking groove 4, the friction convex pattern 5 is of a strip-shaped structure, and the length direction of the friction convex pattern 5 is perpendicular to the length direction of the first expansion block 1.3; a gap is arranged between the first supporting block 1.2 and the first expansion block 1.3;
the second connecting part 2 comprises a second fixed block 2.1, a second supporting block 2.2 and a second expansion block 2.3, one end of the second supporting block 2.2 is fixed with the second fixed block 2.1, and the other end of the second supporting block 2.2 is suspended in the air; one end of the second expansion block 2.3 is fixed with the second fixed block 2.1, and the other end of the second expansion block 2.3 is suspended; a second threaded hole 2.4 is formed in the second supporting block 2.2, and the axis of the second threaded hole 2.4 points to the first expansion block 1.3; the first fixed block 1.1 and the second fixed block 2.1 are tightly connected into a whole. The strip-shaped friction wale 5 can slightly deform the contact surface, and the length direction of the deformation recess is vertical to the separation direction, so that the connection reliability can be improved.
Through implementing above-mentioned technical scheme, when being used for connecting the section bar with the angle sign indicating number, earlier insert first connecting portion 1 and second connecting portion 2 in the spread groove of section bar, twist into first screw hole 1.4 with the bolt, the bottom of bolt continues ejecting after contacting with first inflation piece 1.3, makes first supporting block 1.2 and first inflation piece 1.3 keep away from each other, and first connecting portion 1 size grow, and then prop up the inner wall of tight section bar, realizes connecting. The second connecting part 2 is connected with another section bar by adopting the same structure as the first connecting part. Among the above-mentioned technical scheme, the angle sign indicating number is connected the section bar through the inflation, does not directly adopt bolted connection angle sign indicating number and section bar, has avoided the bolt to the destruction of section bar thin wall, adopts the mode of inflation connection more reliable stable.
Example 2:
as shown in fig. 3, based on embodiment 1, the bottom surface of the sinking groove 4 is disposed obliquely, and one end of the bottom surface of the sinking groove 4, which is far away from the first fixing block 1.1, is closer to the first supporting block 1.2. The first supporting block 1.2 is also obliquely arranged on the surface contacted with the section bar, and one end of the contact surface, which is far away from the first fixing block 1.1, is closer to the first expansion block 1.3.
The structure can ensure that the bottom surface of the sinking groove 4 is parallel to the inner surface of the section bar when the first expansion block 1.3 is far away from the first supporting block 1.2 to support the section bar, so that the contact area is increased as much as possible, and the connection stability is increased.
Example 3:
as shown in fig. 4, in addition to embodiment 1, the corner brace body further includes a third connecting portion 3, a longitudinal direction of the third connecting portion 3 is perpendicular to a longitudinal direction of the first connecting portion 1, and a longitudinal direction of the third connecting portion 3 is perpendicular to a longitudinal direction of the second connecting portion 2. The angle sign indicating number body still includes third connecting portion 3, and the length direction of third connecting portion 3 is perpendicular with the length direction of first connecting portion 1, and the length direction of third connecting portion 3 is perpendicular with the length direction of second connecting portion 2. The structure connects three section bars of apex department simultaneously, reduces the use of angle sign indicating number, guarantees joint strength simultaneously. The structure connects three section bars of apex department simultaneously, reduces the use of angle sign indicating number, guarantees joint strength simultaneously.
The utility model has the advantages that: the thin wall of the section is prevented from being damaged by the bolt through expansion connection of the section; the connection is more reliable and stable; three profiles can be connected simultaneously.
Claims (9)
1. An expansion type corner connector comprises a corner connector body, wherein the corner connector body comprises a first connecting part and a second connecting part which are used for connecting sectional materials; one end of the first expansion block is fixed with the first fixed block, and the other end of the first expansion block is suspended in the air; a first threaded hole is formed in the first supporting block, and the axis of the first threaded hole points to the first expansion block.
2. The expandable corner brace according to claim 1, wherein a gap is provided between the first support block and the first expansion block.
3. The expansion corner brace according to claim 1, wherein a sink is provided on an end of the first expansion block remote from the first support block.
4. The expansion type corner brace according to claim 3, wherein the bottom surface of the sinking groove is inclined, and one end of the bottom surface of the sinking groove, which is far from the first fixing block, is closer to the first supporting block.
5. The expansion corner connector according to claim 3, wherein the bottom surface of the sink has a friction ridge.
6. An expandable corner brace according to claim 5, wherein the friction ridges are stripe structures, and the length direction of the friction ridges is perpendicular to the length direction of the first expansion block.
7. Expansion corner connector according to any one of claims 1 to 6, wherein the second connecting part is identical in structure to the first connecting part.
8. The expansion type corner brace according to claim 7, wherein the first fixed block and the second fixed block are tightly connected into a whole.
9. The expansion corner connector according to any one of claims 1 to 6, wherein the corner connector body is of an integrally molded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921672374.2U CN211550193U (en) | 2019-10-08 | 2019-10-08 | Expansion type corner connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921672374.2U CN211550193U (en) | 2019-10-08 | 2019-10-08 | Expansion type corner connector |
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| Publication Number | Publication Date |
|---|---|
| CN211550193U true CN211550193U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921672374.2U Active CN211550193U (en) | 2019-10-08 | 2019-10-08 | Expansion type corner connector |
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| CN (1) | CN211550193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395924A (en) * | 2019-10-08 | 2020-07-10 | 绿城装饰工程集团有限公司 | Expansion type corner connector |
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2019
- 2019-10-08 CN CN201921672374.2U patent/CN211550193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395924A (en) * | 2019-10-08 | 2020-07-10 | 绿城装饰工程集团有限公司 | Expansion type corner connector |
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Address after: Room 112, No. 4, Taoyuanling, Hangzhou, Zhejiang 310000 Patentee after: Zhejiang Greentown Technology Home Furnishing Co.,Ltd. Address before: Room 112, No. 4, Taoyuanling, Hangzhou, Zhejiang 310000 Patentee before: ZHEJIANG LYUCHENG ARCHITECTURAL ENGINEERING MANAGEMENT Co.,Ltd. |